Add cost metrics to analytics dashboard

bun-test.d.ts

@@ -0,0 +1,20 @@
+declare module "bun:test" {
+  export const beforeEach: (fn: () => void | Promise<void>) => void;
+  export const describe: (name: string, fn: () => void) => void;
+  export const expect: (value: unknown) => {
+    toBe: (expected: unknown) => void;
+    toBeNull: () => void;
+    toContain: (expected: unknown) => void;
+    toEqual: (expected: unknown) => void;
+  };
+  export const mock: {
+    <T extends (...args: never[]) => unknown>(fn: T): T & {
+      mock: {
+        calls: unknown[][];
+      };
+      mockClear: () => void;
+    };
+    module: (path: string, factory: () => Record<string, unknown>) => void;
+  };
+  export const test: (name: string, fn: () => void | Promise<void>) => void;
+}